Once everything was figured out, [danman] was able to recover raw frames from the HDMI extenders, recover the audio, and stream everything to his PC with VLC. All the code is available ...

See HDMI and video-out port. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

If you connect devices via HDMI cable and hear a humming or buzzing noise, this does not necessarily mean that the hardware is faulty, but you should rule out device damage to be on the safe side.

The best modern TVs come with a few HDMI 2.1 and 2.0 ports to help you connect all your devices together, but if that's not enough, or you want greater control without reaching behind the TV ...

This is due to the chips powering the TVs: LG and Samsung have custom solutions enabling them to go all-out, while others rely on MediaTek chips, which have been limited to twin HDMI 2.1 ports.

The HDMI interface is electrically identical and compatible with the video-only DVI interface, which came first. For example, if a cable box or PC has DVI out, but the TV or monitor only has HDMI ...